Home / 142,084.14-196,073.12-77,551.26

Finding the Fourth Proportional to 142,084.14, 196,073.12 and 77,551.26

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Solution

The fourth proportional to 142,084.14, 196,073.12 and 77,551.26 is: 107,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,084.14 : 196,073.12 = 77,551.26 : x
  2. Step 2: Convert to fraction form
    142,084.14/196,073.12 = 77,551.26/x
  3. Step 3: Cross multiply
    142,084.14x = 196,073.12 × 77,551.26
  4. Step 4: Simplify right side
    142,084.14x = 15,205,717,508.13
  5. Step 5: Solve for x
    x = 15,205,717,508.13/142,084.14
  6. Step 6: Final answer
    x = 107,019.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.